CN110292999A - Corona discharge assembly and air purifier - Google Patents
Corona discharge assembly and air purifier Download PDFInfo
- Publication number
- CN110292999A CN110292999A CN201910528726.5A CN201910528726A CN110292999A CN 110292999 A CN110292999 A CN 110292999A CN 201910528726 A CN201910528726 A CN 201910528726A CN 110292999 A CN110292999 A CN 110292999A
- Authority
- CN
- China
- Prior art keywords
- corona discharge
- cylindrical surface
- discharge assembly
- needle electrode
- rotary body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 5
- 239000013618 particulate matter Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
- B03C3/43—Ionising-electrodes radioactive
Landscapes
- Electrostatic Separation (AREA)
Abstract
This application involves air cleaning unit technical fields, in particular to a kind of corona discharge assembly and include its air purifier.Corona discharge assembly includes fixed electrode, rotary body, needle electrode and AC power source, and fixed electrode outer surface is the first cylindrical surface, the fixed electrode ground connection；A rotating body surface is the second cylindrical surface, and second cylindrical surface is set in outside first cylindrical surface；Needle electrode is provided with multiple in the inner surface of the rotary body, and the tip of the needle electrode is towards second cylindrical surface；AC power source is electrically connected with the needle electrode.Corona discharge assembly provided by technical scheme generates low temperature plasma by corona discharge form, generates a large amount of active particles, the point discharge of needle electrode generates corona zone to earthing pole, needle electrode rotation is driven by rotary body, so that corona zone increases, clean-up effect enhancing.
Description
Technical field
This application involves air cleaning unit technical fields, in particular to a kind of corona discharge assembly and include it
Air purifier.
Background technique
The application of corona discharge has had a very long time, is a kind of relatively common discharge mode, under normal pressure
It can complete.Near the smaller electrode of radius of curvature, apply voltage, the breakdown generation of gas near electrode is uneven
Even electric discharge is exactly corona discharge.Nearby there are higher electric field strengths for the electrode at tip, are easier gas in this position electric
From, gas ionization and with shining and silk silk sound, and isoreactivity particle is generated free radicals, is herein corona zone, and separate
The place at tip, it is herein non-corona zone that electric field strength is weaker and gas is made to keep unionized state.Corona discharge structure letter
Single, system is stablized, and capacity usage ratio is high, but its shortcoming is that energy injection is not high, electric discharge, luminous and ionization exist only in substantially
Electrode is very uneven nearby, when further enhancing voltage, corona will be caused to develop to spark-over.
Corona discharge plasma technology is now widely used for air purification field, the trapping by electric field to particulate matter
The particulate matter in air is collected in effect, and electric field is stronger, and corona zone is bigger, and collection particulate matter ability is stronger, and collecting effect is better,
Existing corona plasma structure is lower to the disposable treatment effect of particulate matter, therefore is badly in need of a kind of novel plasma structure
Particulate matter is handled.
Summary of the invention
In order to solve the above-mentioned technical problem or it at least is partially solved above-mentioned technical problem, this application provides a kind of electricity
Corona device and air purifier.
To achieve the goals above, according to the one aspect of the technical program, the technical program provides a kind of corona and puts
Electric installation.
Include: according to the corona discharge assembly of the embodiment of the present application
Fixed electrode, outer surface are the first cylindrical surface, the fixed electrode ground connection；
Rotary body, inner surface are the second cylindrical surface, and second cylindrical surface is set in outside first cylindrical surface；
Needle electrode, is provided with multiple in the inner surface of the rotary body, and the tip of the needle electrode is towards institute
State the second cylindrical surface；
AC power source is electrically connected with the needle electrode.
Further, first cylindrical surface and second cylindrical surface coaxial arrangement.
Further, the tip of the needle electrode is directed to the axis on first cylindrical surface.
Further, the needle electrode is axially distributed on first cylindrical surface a multilayer, more in each layer
A needle electrode is uniformly distributed.
Further, the rotary body has around the rotational angular velocity ω satisfaction of second face of cylinder axis:
The π of ω >=2 f/n, wherein
ω be rotational angular velocity of the rotary body around second face of cylinder axis, unit rad/s,
F is the frequency of the AC power source, and unit is hertz,
N is the quantity of the needle electrode in each layer.
Further, the fixed electrode is annulus post shapes.
Further, corona discharge assembly further includes driving device, for driving the rotary body around second cylinder
The axis in face rotates.
Further, the material of the rotary body and fixed electrode is 304 stainless steels.
Further, the operating voltage of the AC power source is 5kv-10kv, and frequency is 50 hertz.
To achieve the goals above, according to the second aspect of the technical program, the technical program additionally provides a kind of sky
Gas purifier.
Air purifier according to the embodiment of the present application includes above-mentioned corona discharge assembly provided by the present application.
Corona discharge assembly provided by technical scheme generates low temperature plasma by corona discharge form,
A large amount of active particles are generated, the point discharge of needle electrode generates corona zone to earthing pole, drives needle electrode by rotary body
Rotation, so that corona zone increases, clean-up effect enhancing.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 shows schematically the structure chart of corona discharge assembly provided by the embodiments of the present application；
Fig. 2 shows schematically the cross sectional view of the part-structure of corona discharge assembly provided by the embodiments of the present application.
In figure:
1, fixed electrode；2, rotary body；3, needle electrode；4, AC power source；5, it is grounded.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
In this application, term " on ", "lower", "inner", " in ", "outside", the orientation of the instructions such as "front", "rear" or position close
System is to be based on the orientation or positional relationship shown in the drawings.These terms are primarily to better describe the application and its implementation
Example, is not intended to limit indicated device, element or component must have particular orientation, or carries out structure with particular orientation
It makes and operates.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in this application can be understood as the case may be.
In addition, term " setting ", " connection ", " fixation " shall be understood in a broad sense.For example, " connection " may be a fixed connection,
It is detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be directly connected, or pass through centre
Medium is indirectly connected, or is two connections internal between device, element or component.For ordinary skill
For personnel, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.1 and 2 and the application is described in detail in conjunction with the embodiments below with reference to the accompanying drawings.Fig. 1 gives the embodiment of the present application and mentions
The structure chart of the corona discharge assembly of confession；Fig. 2 gives the part-structure of corona discharge assembly provided by the embodiments of the present application
Cross sectional view.
As illustrated in fig. 1 and 2, corona discharge assembly includes fixed electrode 1, rotary body 2, needle electrode 3 and AC power source
4.Wherein, the outer surface of fixed electrode 1 is the first cylindrical surface, and fixed electrode 1 is grounded by ground line 5；Rotary body 2 it is interior
Surface is the second cylindrical surface, and the second cylindrical surface is set in outside the first cylindrical surface；Needle electrode 3 is set in the inner surface of rotary body 2
It is equipped with multiple, and the tip of needle electrode 3 is towards the second cylindrical surface；AC power source 4 is electrically connected with needle electrode 3, for for
Needle electrode provides high voltage power supply.
After the AC power source 4 of corona discharge assembly, which gives needle electrode 3, applies voltage, the tip of needle electrode is attached at this time
Closely there is higher electric field strength, gas made to be easier to be ionized in this position, gas ionization and with shine and silk silk sound,
And isoreactivity particle is generated free radicals, it is existed only in due to corona zone near the tip of the smaller needle electrode of radius of curvature,
Area is smaller, if it is desired to and the area for expanding corona zone needs to increase the voltage of application, and there are the risks of spark-over, and
Voltage crosses conference and generates a large amount of ozone.Corona discharge assembly provided by the present embodiment can be produced by corona discharge form
Raw low temperature plasma, generates a large amount of active particles, and the point discharge of needle electrode 3 generates corona to the fixation electrode 1 of ground connection
Area drives needle electrode 3 to rotate, corona zone area can be made to increase by rotary body 2, clean-up effect enhancing.In needle-shaped electricity
During pole 3 rotates, to the air in its movement routine corona discharge can occur for needle electrode, expand the area of corona zone,
And the output voltage without improving AC power source 4, reduce the yield of ozone.
In corona discharge assembly provided by the embodiments of the present application, the first cylindrical surface and the second cylindrical surface are preferably coaxially set
It sets, the direct distance in such first cylindrical surface and the second cylindrical surface is uniformly distributed, and can control tip and the ground connection of needle electrode 3
The surface of fixation electrode 1 be equidistantly positioned, realize the stability of electric discharge.Preferably, the tip of needle electrode 3 is directed to first
The axis on cylindrical surface in the identical situation of the specification of each needle electrode 3, may further ensure that each needle electrode 3
Tip and the surface of fixation electrode 1 of ground connection be equidistantly positioned.
In corona discharge assembly provided by the embodiments of the present application, as shown in Figure 1, needle electrode 3 is on the first cylindrical surface
Multilayer can be distributed with along axial, can so arrange a large amount of needle electrode 3, the face of corona discharge can be expanded in space
Product, the distance between each layer can be configured according to specific requirements, and during discharge, the needle electrode 3 of adjacent two layers is not
It can interfere.As shown in Fig. 2, multiple needle electrodes 3 in each layer are uniformly distributed, i.e., around the rounded array distribution of axis,
So that the corona zone that needle electrode generates is uniformly distributed in each layer.
In corona discharge assembly provided by the embodiments of the present application, multiple needle electrodes 3 in each layer are equally distributed
In the case of, in order to obtain larger corona discharge area, rotary body 2 has around the rotational angular velocity ω satisfaction of the second face of cylinder axis:
The π of ω >=2 f/n, wherein
ω be rotational angular velocity of the rotary body around the second face of cylinder axis, unit rad/s,
F is the frequency of AC power source, and unit is hertz,
N is the quantity of the needle electrode in each layer.
The period of corona discharge is controlled by the output frequency of AC power source 4, and in the π f/n of ω=2, each needle electrode 3 exists
After one discharge cycle, turn to the position of next needle electrode 3 in same layer adjacent thereto just, i.e., it is same
All electrodes in layer rotated a total a circle in a discharge cycle, cover maximum machining area just.
It should be noted that the concrete shape of fixation electrode 1 and rotary body 2 in above example is not specifically limited,
The outer surface for being only required to guarantee fixed electrode 1 is the first cylindrical surface, and the inner surface of rotary body 2 is the second cylindrical surface.
Preferably, in corona discharge assembly as illustrated in fig. 1 and 2, fixed electrode 1 and rotary body 2 are annulus post shapes.
In corona discharge assembly provided by the embodiments of the present application, it is additionally provided with for driving rotating bodies 2 around the second cylinder
The driving device of the axis rotation in face, specific driving method includes but is not limited to gear set driving, gear-rack drive, height
Speed motor directly drives and transmission belt drives etc..
In the above-described embodiment, the material of rotary body 2 and fixed electrode 1 is 304 stainless steels, has some strength
Under the premise of also have preferred electric conductivity and heat resistance, the operating voltage of AC power source 4 is preferably 5kv-10kv, frequency 50
Hertz, fixed electrode 1 and the spacing at 3 tip of needle electrode are preferably 15-30mm, specifically can specifically be adjusted in conjunction with discharge voltage
Section.
The present embodiment additionally provides a kind of air purifier, and structure includes the electricity provided in the application above embodiment
Corona device.
As containing corona discharge assembly disclosed in above-described embodiment in the air purifier, there is the corona
The air purifier of electric discharge device also has above-mentioned all technical effects, and this is no longer going to repeat them.According to above-described embodiment
Air purifier can also include other necessary components such as air flue, blower and control circuit or structure, and corresponding cloth set
It sets and can refer to air purifier in the prior art with connection relationship, do not address connection relationship, operation and the work of structure respectively
Principle be for those of ordinary skill in the art it is known, be not described in detail herein.
Section Example is described by the way of progressive or arranged side by side in this specification, the highlights of each of the examples are
With the difference of other embodiments, the same or similar parts in each embodiment may refer to each other.
The above is only a specific embodiment of the invention, make skilled artisans appreciate that or realizing of the invention.It is right
A variety of modifications of these embodiments will be apparent to one skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it originally will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with applied principle herein and features of novelty widest
Range.
Claims (10)
1. a kind of corona discharge assembly characterized by comprising
Fixed electrode (1), outer surface are the first cylindrical surface, fixed electrode (1) ground connection；
Rotary body (2), inner surface are the second cylindrical surface, and second cylindrical surface is set in outside first cylindrical surface；
Needle electrode (3) is provided with multiple, and the equal court in tip of the needle electrode (3) in the inner surface of the rotary body (2)
To second cylindrical surface；
AC power source (4) is electrically connected with the needle electrode (3).
2. corona discharge assembly according to claim 1, which is characterized in that first cylindrical surface and second cylinder
Face coaxial arrangement.
3. corona discharge assembly according to claim 2, which is characterized in that the tip of the needle electrode (3) is directed to
The axis on first cylindrical surface.
4. corona discharge assembly according to claim 3, which is characterized in that the needle electrode (3) is in first circle
Axially distributed on cylinder to have multilayer, multiple needle electrodes (3) in each layer are uniformly distributed.
5. corona discharge assembly according to claim 4, which is characterized in that the rotary body (2) is around second cylinder
The rotational angular velocity ω satisfaction of face axis has:
The π of ω >=2 f/n, wherein
ω be rotational angular velocity of the rotary body around second face of cylinder axis, unit rad/s,
F is the frequency of the AC power source, and unit is hertz,
N is the quantity of the needle electrode in each layer.
6. corona discharge assembly according to claim 1, which is characterized in that the fixed electrode (1) is annulus post shapes.
7. corona discharge assembly according to claim 1, which is characterized in that it further include driving device, it is described for driving
Axis of the rotary body (2) around second cylindrical surface rotates.
8. corona discharge assembly according to claim 1, which is characterized in that the rotary body (2) and fixed electrode (1)
Material be 304 stainless steels.
9. corona discharge assembly according to claim 1, which is characterized in that the operating voltage of the AC power source (4) is
5kv-10kv, frequency are 50 hertz.
10. a kind of air purifier, which is characterized in that including the described in any item corona discharge assemblies of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528726.5A CN110292999A (en) | 2019-06-18 | 2019-06-18 | Corona discharge assembly and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528726.5A CN110292999A (en) | 2019-06-18 | 2019-06-18 | Corona discharge assembly and air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110292999A true CN110292999A (en) | 2019-10-01 |
Family
ID=68028186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910528726.5A Pending CN110292999A (en) | 2019-06-18 | 2019-06-18 | Corona discharge assembly and air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110292999A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913550A (en) * | 2019-11-08 | 2020-03-24 | 华中科技大学 | Atmospheric pressure plasma jet device |
| CN116223567A (en) * | 2023-01-17 | 2023-06-06 | 国网江苏省电力有限公司苏州供电分公司 | Multi-tip electrode discharge SF 6 Gas detection device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935503A (en) * | 1973-11-26 | 1976-01-27 | The Kreidl Chemico Physical K.G. | Particle accelerator |
| JPH11342350A (en) * | 1998-06-01 | 1999-12-14 | Sharp Corp | Air cleaner |
| CN105939788A (en) * | 2013-12-04 | 2016-09-14 | 托马斯·迈尔 | Compressed air treatment chamber |
| CN210411151U (en) * | 2019-06-18 | 2020-04-28 | 珠海格力电器股份有限公司 | Corona discharge device and air purifier |
-
2019
- 2019-06-18 CN CN201910528726.5A patent/CN110292999A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935503A (en) * | 1973-11-26 | 1976-01-27 | The Kreidl Chemico Physical K.G. | Particle accelerator |
| JPH11342350A (en) * | 1998-06-01 | 1999-12-14 | Sharp Corp | Air cleaner |
| CN105939788A (en) * | 2013-12-04 | 2016-09-14 | 托马斯·迈尔 | Compressed air treatment chamber |
| CN210411151U (en) * | 2019-06-18 | 2020-04-28 | 珠海格力电器股份有限公司 | Corona discharge device and air purifier |
Non-Patent Citations (1)
| Title |
|---|
| 叶挺秀等: "《电子电工学》", vol. 2, 31 July 2004, 高等教育出版社, pages: 44 - 46 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913550A (en) * | 2019-11-08 | 2020-03-24 | 华中科技大学 | Atmospheric pressure plasma jet device |
| CN110913550B (en) * | 2019-11-08 | 2021-07-27 | 华中科技大学 | Atmospheric pressure plasma jet device |
| CN116223567A (en) * | 2023-01-17 | 2023-06-06 | 国网江苏省电力有限公司苏州供电分公司 | Multi-tip electrode discharge SF 6 Gas detection device and method |
| CN116223567B (en) * | 2023-01-17 | 2024-01-30 | 国网江苏省电力有限公司苏州供电分公司 | Multi-tip electrode discharge SF 6 Gas detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110292999A (en) | Corona discharge assembly and air purifier | |
| CN210411151U (en) | Corona discharge device and air purifier | |
| CN207533407U (en) | A kind of air cleaning unit | |
| JP5073325B2 (en) | Ion generator | |
| CN106944261B (en) | Electrode plate assembly, electrostatic equipment and kitchen ventilator | |
| CN103949343A (en) | Air purification device | |
| US6771002B2 (en) | High voltage electrostatic generator | |
| CN106839030A (en) | Fume purifying module and fume extractor | |
| CN106839042B (en) | Electrostatic equipment and kitchen ventilator | |
| CN216346860U (en) | Plasma generator and air purifier with self-cleaning mechanism | |
| CN114893856A (en) | Multifunctional purifier | |
| CN112844843B (en) | Air purification device based on plasma pathogen-killing microorganism aerosol | |
| TW201408966A (en) | Air filtering device | |
| CN217209729U (en) | Air purifying device | |
| CN105396693B (en) | High-efficiency electrostatic air purifier | |
| CN209918074U (en) | Air purifying device | |
| JPH08164320A (en) | High voltage pulse power source and pulse corona application device using same | |
| CN114719381B (en) | Air purifier and quick disassembly and assembly method of filter screen group thereof | |
| KR102062681B1 (en) | High-voltage static electricity generator for fine dust collection | |
| KR100538989B1 (en) | Apparatus for removing dust by using dielectric barrier discharge | |
| CN209735808U (en) | Electrostatic oil net assembly, fan and range hood | |
| CN209109397U (en) | A kind of electrodecontamination structure and air cleaning unit | |
| CN114646117A (en) | Air purification device and control method thereof | |
| CN102847406A (en) | Air filter device | |
| CN1167656A (en) | Electric circuit for pulse energized electrostatic precipitator and pulse energized electrostatic precipitator using this circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |